HIMU vs SHYM
iShares High Yield Muni Active ETF against iShares Short Duration High Yield Muni Active ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
13%
139 shared positions
Fee gap
1 bp
HIMU is cheaper
1-year return gap
3.2 pts
SHYM is ahead
Larger fund
HIMU
$2.6B
Side by side
| HIMU | SHYM | |
|---|---|---|
| Fund | iShares High Yield Muni Active ETF | iShares Short Duration High Yield Muni Active ETF |
| Issuer | iShares | iShares |
| Category | High Yield Muni | High Yield Muni |
| Expense ratio | 0.39% | 0.40% |
| Assets | $2.6B | $904M |
| Average daily dollar volume | $58M | $18M |
| Listed | Aug 1, 2006 | Mar 16, 2021 |
| FrenzyCap score | 65 | 58 |
| 1-month return | −0.9% | −0.4% |
| 3-month return | −4.5% | −2.0% |
| Year to date | −4.9% | −2.7% |
| 1-year return | −6.2% | −3.0% |
| 30-day volatility | 9.0% | 5.8% |
| Worst drawdown, 1 year | −9.8% | −5.8% |
| Trailing 12-month yield | 5.54% | 4.39% |
| Holdings | 1,006 | 545 |
| Top 10 weight | 13.0% | 11.0% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$350M thru Jul 2026 | +$259M thru Jul 2026 |
| 30-day implied volatility | — | — |
| Holdings as of | as of Oct 20, 2026issuer data | as of Oct 20, 2026issuer data |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
21% of HIMU · 22% of SHYM| Holding | HIMU | SHYM |
|---|---|---|
| PUERTO RICO COMWLTH, due Nov 1, 2051 | 2.47% | 1.66% |
| CALIFORNIA INFRASTRUCTURE & EC 12%, due Nov 2, 2026 | 1.80% | 1.12% |
| ARKANSAS ST DEV FIN AUTH INDL 7.38%, due Jul 1, 2034 | 0.71% | 0.81% |
| NEW YORK ENERGY FIN DEV CORP E 5%, due Dec 1, 2033 | 0.48% | 0.84% |
| PUERTO RICO COMWLTH 4%, due Jul 1, 2037 | 0.45% | 0.73% |
| FLORIDA DEV FIN CORP SOLID WAS 4.55%, due Jun 1, 2046 | 0.35% | 0.60% |
| ARKANSAS ST DEV FIN AUTH INDL 4.88%, due Jul 1, 2036 | 0.29% | 0.49% |
| KENTUCKY INC KY PUB ENERGY AUT 5%, due Jul 1, 2030 | 0.27% | 1.12% |
| MAIN STREET NATURAL GAS INC GA 5%, due Oct 1, 2032 | 0.24% | 0.35% |
| PORT BEAUMONT TEX INDL DEV AUT 4.1%, due Jan 1, 2028 | 0.25% | 0.24% |
| MISSION TEX ECONOMIC DEV CORP 4.75%, due Aug 1, 2036 | 0.22% | 0.22% |
| NEWNAN GA HSG AUTH MULTIFAMILY 6%, due Jul 8, 2030 | 0.20% | 0.67% |
| IDAHO HOUSING AND FINANCE ASSOCIAT 5.75%, due Feb 1, 2030 | 0.19% | 0.63% |
| BLACK BELT ENERGY GAS DIST ALA 5.25%, due May 1, 2032 | 0.19% | 0.52% |
| BALDWIN CNTY ALA INDL DEV AUTH 4.3%, due Mar 1, 2033 | 0.17% | 0.67% |
| NATIONAL FIN AUTH N H SPL REV, due Dec 15, 2033 | 0.26% | 0.17% |
| REDTAIL RIDGE MET DIST COLO, due Dec 1, 2032 | 0.30% | 0.16% |
| CALIFORNIA MUN FIN AUTH MULTIF 6%, due Feb 1, 2038 | 0.29% | 0.15% |
| PORT BEAUMONT TEX NAV DIST DOC 4%, due Jan 1, 2050 | 0.86% | 0.14% |
| NATIONAL FINANCE AUTHORITY NH, due Dec 15, 2041 | 0.14% | 0.16% |
| CALIFORNIA HOUSING FINANCE AGENCY 5.8%, due Apr 1, 2036 | 0.20% | 0.14% |
| PUERTO RICO COMWLTH 5.75%, due Jul 1, 2031 | 0.14% | 0.30% |
| FLORIDA DEV FIN CORP SOLID WAS 5%, due May 1, 2029 | 0.14% | 0.26% |
| WASHINGTON ST ECONOMIC DEV FIN AUT 5.88%, due Dec 1, 2030 | 0.15% | 0.14% |
| NATIONAL FINANCE AUTHORITY NH 6.4%, due Dec 1, 2037 | 0.14% | 0.13% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · HIMU holdings · SHYM holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.